@nonoise the irony with your name…. Lol.
but to your comment, there are literally people in this post saying that they went from muddled mess with 44/16 streaming and voila new cable and its pristine 44/16 streaming.
and there is an extremely low chance that you are introducing any noise in your house, and again, this noise doesn’t leak anywhere into any component with modern equipment. Ethernet today is way too robust.
No one is calling anyone crazy, however, it helps to learn a bit how your brain works when you are talking about something that is physically impossible to make any difference. Your brain is influenced in many ways, and if you are not careful, it is easy to “hear” a difference with any change, confirmation bias is a huge issue for the untrained.